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Francesco Mangano, Alberta Greco Lucchina, Matteo Brucoli, Mario Migliario, Carmen Mortellaro, Carlo Mangano
PURPOSE: To evaluate the long-term cumulative implant survival rate (CISR%) and cumulative implant-crown success rate (CICSR%) of single-tooth Morse-taper connection implants, with particular attention to documenting the incidence of prosthetic complications. METHODS: The customized records of all patients who had been treated with single-tooth Morse-taper connection implants in 2 dental centers during the period between January 2002 and December 2012 were revisited...
March 20, 2018: Journal of Craniofacial Surgery
Chang-Hun Han, Kwang-Bum Park, Francesco Guido Mangano
OBJECTIVE: In the anterior regions, the resorption of the buccal bone after tooth extraction leads to a contraction of the overlying soft tissues, resulting in an esthetic problem, particularly with immediate implant placement. In the socket shield technique, the buccal root section of the tooth is maintained, to preserve the buccal bone for immediate implant placement. The aim of this prospective study was to investigate the survival, stability, and complication rates of implants placed using a "modified" socket shield technique...
March 20, 2018: Journal of Craniofacial Surgery
Yves Gramlich, Oliver Neun, Alexander Klug, Johannes Buckup, Thomas Stein, Arvid Neumann, Sebastian Fischer, Hans-Peter Abt, Reinhard Hoffmann
INTRODUCTION: Extremely heterogeneous revision rates in total ankle arthroplasty (TAA) of the upper ankle joint are reported and result to heterogeneous collectives and to short follow-up times. The aim is to investigate revision rates and the underlying reasons, as well as treatment outcome and quality of life after TAA in post-traumatic cases with sufficient follow-up. METHODS: In 2008-2013, 74 patients with post-traumatic arthrosis were treated using TAA with a Tornier Salto prosthesis, and 60 (35 males and 25 females; mean age 56) were followed-up (mean: 59 months; range 24-91 months)...
March 20, 2018: International Orthopaedics
Colin D Canham, Christopher P Walsh, Stephen J Incavo
Simultaneous prosthetic joint infection of ipsilateral hip and knee arthroplasties is often accompanied by significant bone loss and presents a challenging reconstructive problem. Two-stage reconstruction is favored and requires the placement of a total femur spacer, which is not a commercially available device. We describe a surgical technique, reporting on 2 cases in which a customized total femur antibiotic impregnated spacer was created by combining an articulating knee spacer and an articulating hip spacer with a reinforced cement dowel construct connecting the 2 spacers...
March 2018: Arthroplasty Today
Aria Mahtabfar, Hamoon Eshraghi, Melroy D'Souza, William Berrigan, Kathleen Casey
Background: Infectious endocarditis (IE) typically occurs in the setting of intravenous drug use, prosthetic heart valves, or rheumatic heart disease. However, there are a few reports of IE occurring in the setting of immunosuppression secondary to cancer and/or chemotherapy. Here, we present a case of a cancer patient who developed anterior spinal artery (ASA) syndrome secondary to a septic embolus from IE. Case Presentation: A 78-year-old male with a history of gastroesophageal cancer treated with chemotherapy and radiation presented to the hospital after a fall at home...
2018: Case Reports in Medicine
JuEun Lee, Craig L Chavez, Joorok Park
Surgical bone drilling is performed variously to correct bone fractures, install prosthetics, or for therapeutic treatment. The primary concern in bone drilling is to extract donor bone sections and create receiving holes without damaging the bone tissue either mechanically or thermally. We review current results from experimental and theoretical studies to investigate the parameters related to such effects. This leads to a comprehensive understanding of the mechanical and thermal aspects of bone drilling to reduce their unwanted complications...
March 1, 2018: Journal of Biomechanics
Fabio Cocco, Guglielmo Campus, Laura Strohmenger, Viviana Cortesi Ardizzone, Maria Grazia Cagetti
BACKGROUND: This survey aims to evaluate the prevalence and severity of tooth loss in the Italian elderly population living in nursing homes and to associate the oral data with demographic, socioeconomic factors, the Mini-Mental State Examination (MMSE), the Body Mass Index (BMI) and the Mini Nutritional Assessment (MNA) scores. METHODS: A cluster sample method was performed using each nursing home as a cluster. Twenty-three nursing homes located in the five areas of the Italy (North-West, North-East, Centre, South and Islands) were selected...
March 20, 2018: BMC Geriatrics
Giorgio Gastaldi, Pietro Felice, Valeria Pistilli, Carlo Barausse, Daniela Rita Ippolito, Marco Esposito
PURPOSE: To evaluate whether 5.0 × 5.0 mm dental implants with a novel nanostructured calcium-incorporated titanium surface could be an alternative to implants of at least 10.0 mm long placed in bone augmented with bone substitutes in posterior atrophic jaws. MATERIALS AND METHODS: Forty patients with atrophic posterior (premolar and molar areas) mandibles with 5.0 mm to 7.0 mm bone height above the mandibular canal, and 40 patients with atrophic maxillas with 4...
2018: European Journal of Oral Implantology
Caroline Bolle, Pietro Felice, Carlo Barausse, Valeria Pistilli, Anna Trullenque-Eriksson, Marco Esposito
PURPOSE: To evaluate whether 4.0 mm short dental implants could be an alternative to augmentation with xenographs in the maxilla and placement of at least 10.0 mm long implants in posterior atrophic jaws. MATERIALS AND METHODS: A group of 40 patients with atrophic posterior (premolar and molar areas) mandibles with 5.0 mm to 6.0 mm bone height above the mandibular canal and 40 patients with atrophic maxillas having 4.0 mm to 5.0 mm below the maxillary sinus, were randomised according to a parallel group design to receive between one and three 4...
2018: European Journal of Oral Implantology
Marco Esposito, Rubén Davó, Carlos Marti-Pages, Ada Ferrer-Fuertes, Carlo Barausse, Roberto Pistilli, Daniela Rita Ippolito, Pietro Felice
PURPOSE: To compare the clinical outcome of immediately loaded cross-arch maxillary prostheses supported by zygomatic implants vs conventional implants placed in augmented bone. MATERIALS AND METHODS: A total of 71 edentulous patients with severely atrophic maxillas, who did not have sufficient bone volume to place dental implants or when it was possible to place only two implants in the front area (minimal diameter 3.5 mm and length of 8 mm) and less than 4.0 mm of bone height subantrally, were randomised according to a parallel group design...
2018: European Journal of Oral Implantology
Gautam J K Tawari, Rajan Maheshwari, Sanjeev S Madan
A good long-term outcome following a total knee arthroplasty relies on restoration of the mechanical axis and effective soft tissue balancing of the prosthetic knee. Arthroplasty surgery in patients with secondary osteoarthritis of the knee with an extra-articular tibial deformity is a complex and challenging procedure. The correction of mal-alignment of the mechanical axis is associated with unpredictable result and with higher revision rates. Single-staged deformity correction and replacement surgery often result in the use of constraint implants...
March 20, 2018: Strategies in Trauma and Limb Reconstruction
Matteo Ripepi, Gianfranco Varetto, Lorenzo Gibello, Maria Antonella Ruffino, Paolo Fonio, Pietro Rispoli
Pelvic arteriovenous malformation (AVM) is a rare condition mostly requiring a complex therapeutic strategy. The surgical approach is challenging and burdened by relatively high mortality and morbidity rates. No guidelines are available for the endovascular treatment of AVM because the literature is limited to small case series and case reports. We present a complex case of a pelvic AVM associated with an internal iliac artery aneurysm in a patient previously treated with a common to external prosthetic substitution for aneurysm and proximal ligation of internal iliac artery...
March 2018: Journal of Vascular Surgery Cases and Innovative Techniques
Nizaá Jiménez-Arroyo, Paloma C Gil-Rodríguez, Adelaida Díaz-Vilchis, Sonia P Rojas-Trejo, Enrique Rudiño-Piñera
Understanding Peroxidase (PRXs) enzymatic diversity and functional significance from a three-dimensional point of view is a key point for structural and mechanistic studies. In this context, Zo-peroxidase (ZoPrx) a member of the class III peroxidases and secreted by plants, differs from all previously described PRXs because of its remarkable catalytic stability in the presence of hydrogen peroxide. In this work, we present the crystallographic structure of ZoPrx isolated from Japanese radish, at 2.05 Å resolution...
March 2018: Biochemistry and Biophysics Reports
In-Cheol Kim, Suyon Chang, Geu-Ru Hong, Seung Hyun Lee, Sak Lee, Jong-Won Ha, Byung-Chul Chang, Young Jin Kim, Chi Young Shim
BACKGROUND: Recent evolution of cardiac computed tomography (CT) provides useful information about valvular and perivalvular structures. We compared the diagnostic performance of CT and transesophageal echocardiography (TEE) with applications of 3-dimensional reconstruction in detecting vegetation and intracardiac complications in patients with infective endocarditis (IE). METHODS AND RESULTS: Seventy-five patients (53 men; age, 58±15 years) with definite IE who underwent TEE and CT with 3-dimensional reconstruction within 3 days were analyzed...
March 2018: Circulation. Cardiovascular Imaging
Richard D Swenson, James A Butterfield, Timothy J Irwin, John J Zurlo, Charles M Davis
BACKGROUND: Acute and acute hematogenous prosthetic joint infections (PJIs) are often treated with open debridement and polyethylene exchange (ODPE) in an effort to save the prosthesis, decrease morbidity, and reduce costs. However, failure of ODPE may compromise a subsequent 2-stage treatment. The purpose of this study is to identify patient factors that impact the success of ODPE for acute and acute hematogenous PJIs. METHODS: A retrospective review examined comorbidities, preoperative laboratory values, and patient history for patients with successful and failed ODPE treatment for acute perioperative or acute hematogenous periprosthetic hip or knee joint infections...
February 1, 2018: Journal of Arthroplasty
K Clesham, P Ryan, C Murphy
Prosthetic joint infection (PJI) is a devastating complication of arthroplasty. Numerous protocols reduce potential risk for PJI peri-operatively, but none exist for the management of theatre shoes. Our aim was to assess for bacteria known to cause prosthetic infection on theatre shoes. Forty theatre shoes were analysed; there were coagulase-negative staphylococci on 65% (N = 25), meticillin-susceptible Staphylococcus aureus on 40% (N = 16), and meticillin-resistant S. aureus on 25% (N = 10). Amount of blood spatter correlated poorly with microbial contamination...
March 16, 2018: Journal of Hospital Infection
K Mitsimponas, S Mehmet, R Kennedy, K Shakib
Idiopathic condylar resorption is a well-documented but poorly-understood pathological entity that predominantly affects young women, particularly during the pubertal growth spurt. Several theories have been proposed to explain its aetiopathogenesis, the most favoured of which are the hormonally mediated theory, the theory of avascular necrosis, and the dysfunctional remodelling theory. The condition is diagnosed by a combination of clinical and radiological data as well as elements from the patient's history...
March 16, 2018: British Journal of Oral & Maxillofacial Surgery
O Guillaume, R Pérez-Tanoira, R Fortelny, H Redl, T F Moriarty, R G Richards, D Eglin, A Petter Puchner
The incidence of mesh-related infection after abdominal wall hernia repair is low, generally between 1 and 4%; however, worldwide, this corresponds to tens of thousands of difficult cases to treat annually. Adopting best practices in prevention is one of the keys to reduce the incidence of mesh-related infection. Once the infection is established, however, only a limited number of options are available that provides an efficient and successful treatment outcome. Over the past few years, there has been a tremendous amount of research dedicated to the functionalization of prosthetic meshes with antimicrobial properties, with some receiving regulatory approval and are currently available for clinical use...
March 12, 2018: Biomaterials
Maïté Van Cauter, Olivier Cornu, Jean-Cyr Yombi, Hector Rodriguez-Villalobos, Ludovic Kaminski
BACKGROUND: Prosthetic Joint Infection (PJI) is a rare but devastating complications with high morbitity and mortality. The identification of the causal microorganism remains crucial and determines therapeutic strategies and success. Microbiology cultures remain the common method to diagnose PJI. Unfortunately, 14% of intra-articular punctures remain negative after culture. The microorganisms are best detected by inoculation of microbiology samples in blood culture bottles (Bactec), or after sonication of the implant and polymerase chain reaction (PCR)...
2018: PloS One
Nathan T Kearns, Warren T Jackson, Timothy R Elliott, Tiffany Ryan, Trey W Armstrong
PURPOSE/OBJECTIVE: The present study examines associations between levels of limb loss (partial hand vs. higher levels of limb loss) and eight clinically relevant measures of functional impairment, psychological well-being, and substance use. Research Method/Design: A cross-sectional, multisite study conducted at seven prosthetic rehabilitation centers across the United States. A total of 305 participants with upper limb loss (Mage = 44.28, SD = 15.45; 68.5% male; 70.5% white) completed orally administered self-assessments of pain interference, perceived activity restrictions, posttraumatic stress disorder (PTSD), depression, emotional reaction to their physical condition, problematic alcohol use, prescription medication overuse, and illicit drug use...
February 2018: Rehabilitation Psychology
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